Slim, HPHT tool aids deep exploration in North Sea

A new slimline high pressure, high-temperature tool (SlimXtreme HPHT) facilitated logging in a wellbore section with substantial mudcake buildup.The Svane-1-1A exploratory well in the Danish Central Graben, off Denmark, drilled to 19,522 ft, set a new depth record, and produced gas and condensate from late Jurassic sandstones. Phillips Petroleum International Corp. Denmark (PPIC) and DONG Exploration & Production AS spudded the well in August 2001, evaluated it, and then plugged and abandoned it in August 2002. Logging-while-drilling (LWD), wireline, and testing tools provided a wealth of information during the project. Because of the successful run of this tool to total depth, despite t...

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